646653240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3461}}^1$

素因数の和:3654

約数の個数: 128

約数和(自身を含む): 2168596800

約数和(自身を除く): 1521943560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 173, 180, 216, 270, 346, 360, 519, 540, 692, 865, 1038, 1080, 1384, 1557, 1730, 2076, 2595, 3114, 3460, 3461, 4152, 4671, 5190, 6228, 6920, 6922, 7785, 9342, 10380, 10383, 12456, 13844, 15570, 17305, 18684, 20760, 20766, 23355, 27688, 31140, 31149, 34610, 37368, 41532, 46710, 51915, 62280, 62298, 69220, 83064, 93420, 93447, 103830, 124596, 138440, 155745, 186840, 186894, 207660, 249192, 311490, 373788, 415320, 467235, 598753, 622980, 747576, 934470, 1197506, 1245960, 1796259, 1868940, 2395012, 2993765, 3592518, 3737880, 4790024, 5388777, 5987530, 7185036, 8981295, 10777554, 11975060, 14370072, 16166331, 17962590, 21555108, 23950120, 26943885, 32332662, 35925180, 43110216, 53887770, 64665324, 71850360, 80831655, 107775540, 129330648, 161663310, 215551080, 323326620, 646653240]

約数ペア:

[(1, 646653240), (2, 323326620), (3, 215551080), (4, 161663310), (5, 129330648), (6, 107775540), (8, 80831655), (9, 71850360), (10, 64665324), (12, 53887770), (15, 43110216), (18, 35925180), (20, 32332662), (24, 26943885), (27, 23950120), (30, 21555108), (36, 17962590), (40, 16166331), (45, 14370072), (54, 11975060), (60, 10777554), (72, 8981295), (90, 7185036), (108, 5987530), (120, 5388777), (135, 4790024), (173, 3737880), (180, 3592518), (216, 2993765), (270, 2395012), (346, 1868940), (360, 1796259), (519, 1245960), (540, 1197506), (692, 934470), (865, 747576), (1038, 622980), (1080, 598753), (1384, 467235), (1557, 415320), (1730, 373788), (2076, 311490), (2595, 249192), (3114, 207660), (3460, 186894), (3461, 186840), (4152, 155745), (4671, 138440), (5190, 124596), (6228, 103830), (6920, 93447), (6922, 93420), (7785, 83064), (9342, 69220), (10380, 62298), (10383, 62280), (12456, 51915), (13844, 46710), (15570, 41532), (17305, 37368), (18684, 34610), (20760, 31149), (20766, 31140), (23355, 27688)]